wannacry

General

Target

memu_player.ahk
Size

3KB
Sample

240914-kbftkavflb
MD5

3c23cc326045cc680b281320e02262b1
SHA1

551e9f70e36436be8696caa2c2306c74f542dd57
SHA256

512f752dfa395a7b6f08b086ae755903b492d0ae0d76901d247dc1c14f026d25
SHA512

3506b945c7d6c986c8b7d9e01c968dce9d0c18a43f33adab20f0eea2baaec3725c3987ae70e1e9ff838d4845245ca2ffbe77e28707aa2160e6c2091bfbd17592

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\WannaCry-master\@[email protected]

Family

wannacry

Ransom Note

Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions, we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw Next, please find an application file named "@[email protected]". It is the decrypt software. Run and follow the instructions! (You may need to disable your antivirus for a while.) Q: How can I trust? A: Don't worry about decryption. We will decrypt your files surely because nobody will trust us if we cheat users. * If you need our assistance, send a message by clicking <Contact Us> on the decryptor window. �

Wallets

12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw

Targets

- Target
  
  memu_player.ahk
- Size
  
  3KB
- MD5
  
  3c23cc326045cc680b281320e02262b1
- SHA1
  
  551e9f70e36436be8696caa2c2306c74f542dd57
- SHA256
  
  512f752dfa395a7b6f08b086ae755903b492d0ae0d76901d247dc1c14f026d25
- SHA512
  
  3506b945c7d6c986c8b7d9e01c968dce9d0c18a43f33adab20f0eea2baaec3725c3987ae70e1e9ff838d4845245ca2ffbe77e28707aa2160e6c2091bfbd17592
Score

10^/10

wannacry bootkit defense_evasion discovery evasion execution impact persistence ransomware trojan worm
- Wannacry
  WannaCry is a ransomware cryptoworm.
  ransomware worm wannacry
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- Downloads MZ/PE file
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Modifies file permissions
  discovery
- Adds Run key to start application
  persistence
- Checks whether UAC is enabled
  evasion trojan
- File and Directory Permissions Modification: Windows File and Directory Permissions Modification
  defense_evasion
- Legitimate hosting services abused for malware hosting/C2
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
- Sets desktop wallpaper using registry
  ransomware
behavioral1